A term created by Gretchen Weiners in the popular film "Mean Girls" indicating something is "cool" , "awesome " , etc.
Friend: I just got the hover board today!
You: That is so FETCH!
A combination of Blood, Shit, Cum and Anal mucus retrieved on the male sexual organ after partaking in Anal Sex. Common usage amongst gay community.
Aw Dawg I've pulled out and I'm covered in fetch!
It is a slang word for cute and dumb people use it when that think that something is cute.